refreshedDao = (CompoundPkTestEntity) context.refetchObject(dao.getObjectId());
assertEquals(dao.getObjectId(), refreshedDao.getObjectId());
dao.setKey2(key2v2);
context.commitChanges();
assertEquals(key1v1, dao.getObjectId().getIdSnapshot().get(
CompoundPkTestEntity.KEY1_PK_COLUMN));
assertEquals(key2v2, dao.getObjectId().getIdSnapshot().get(
CompoundPkTestEntity.KEY2_PK_COLUMN));